12023001320121 has 24 divisors (see below), whose sum is σ = 18947113813056. Its totient is φ = 7285983467040.

The previous prime is 12023001320101. The next prime is 12023001320129. The reversal of 12023001320121 is 12102310032021.

12023001320121 is a `hidden beast` number, since 1 + 20 + 2 + 300 + 1 + 320 + 1 + 21 = 666.

It is not a de Polignac number, because 12023001320121 - 2¹⁰ = 12023001319097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12023001320094 and 12023001320103.

It is not an unprimeable number, because it can be changed into a prime (12023001320129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4639030 + ... + 6750303.

It is an arithmetic number, because the mean of its divisors is an integer number (789463075544).

Almost surely, 2^{12023001320121} is an apocalyptic number.

12023001320121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12023001320121 is a deficient number, since it is larger than the sum of its proper divisors (6924112492935).

12023001320121 is a wasteful number, since it uses less digits than its factorization.

12023001320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400013 (or 11400010 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12023001320121 its reverse (12102310032021), we get a palindrome (24125311352142).

The spelling of 12023001320121 in words is "twelve trillion, twenty-three billion, one million, three hundred twenty thousand, one hundred twenty-one".